| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hillsboro | 1 | 9,203 | 8,196 | 1.85% | 838 | 11 | City |
| Whitney | 2 | 2,164 | 1,993 | 1.41% | 1,163 | 2 | Town |
| Itasca | 3 | 2,049 | 1,586 | 4.01% | 1,310 | 2 | City |
| Hubbard | 4 | 1,531 | 1,393 | 1.59% | 783 | 2 | City |
| Gholson | 5 | 1,284 | 1,175 | 0.78% | 154 | 8 | City |
| Blum | 6 | 428 | 383 | 1.66% | 433 | 1 | Town |
| Abbott | 7 | 382 | 353 | 1.33% | 645 | 1 | City |
| Mount Calm | 8 | 345 | 290 | 2.68% | 419 | 1 | City |
| Covington | 9 | 312 | 263 | 2.97% | 380 | 1 | City |
| Malone | 10 | 256 | 236 | 1.19% | 560 | 0 | Town |
| Carl's Corner | 11 | 232 | 200 | 2.2% | 74 | 3 | Town |
| Penelope | 12 | 199 | 180 | 1.53% | 201 | 1 | Town |
| Bynum | 13 | 182 | 169 | 1.11% | 1,358 | 0 | Town |
| Mertens | 14 | 158 | 147 | 1.28% | 363 | 0 | Town |
| Aquilla | 15 | 117 | 103 | 1.74% | 415 | 0 | City |
Hillsboro is the largest city in Hill County, with a population of 9,203.
Aquilla is the smallest city in Hill County, with a population of 117.
There are 15 cities in Hill County, Texas.